Prepare for KCL Python Release 2.1.0

[zengyu714]

Issue #, if available:

Description of changes:

• Prepare for KCL Python Release 2.1.0
• Upgrade Java dependencies to match KCL release v2.4.4
• Note that POM file is copied from KCL-NodeJS: https://github.com/awslabs/amazon-kinesis-client-nodejs/blob/master/pom.xml

Testing

• Local testing

# producer
python sample_kinesis_wordputter.py -r us-west-2 --stream kclpysample -w cat -w dog -w bird -w lobster -p 5
# consumer
`python amazon_kclpy_helper.py --print_command \
--java /Library/Java/JavaVirtualMachines/amazon-corretto-8.jdk/Contents/Home/bin/java \
--properties sample.properties`

• pytest

 11 passed, 2 warnings in 0.17s

By submitting this pull request, I confirm that you can use, modify, copy, and redistribute this contribution, under the terms of your choice.

[shanmsac]

One of the unit test checks is failing, can you check that? changes look good.

[zengyu714]

One of the unit test checks is failing, can you check that? changes look good.

Looks like GitHub workflow no longer supports Python3.6 on x64 architecture, oh here's the open issue (actions/setup-python#544) regarding this error

Run actions/setup-python@v2
Version 3.6 was not found in the local cache
Error: Version 3.6 with arch x64 not found
The list of all available versions can be found here: https://github.com/actions/python-versions/main/versions-manifest.json

[shanmsac]

lgtm

[shanmsac]

lgtm